Soft and pliable Silicone band. Two-tone with smooth flat sides. Great for everyday work or play. Especially useful in situations where a metal band becomes a safety hazard. Waterproof, shockproof and extremely durable. 7.5mm wide (approximately 1/3"). Your choice of four (4) colors. Sizes 6.0 to 13.0. Full sizes only. (Half sizes are recommended to order next larger size.)